Kieslowski could never have made Three Colours or The Double Life of Véronique without screenwriter Krzysztof Piesiewicz. But can the writer complete their final project alone? Geoffrey Macnab meets him.

French actress Irene Jacob rose to fame guided by her mentor - the late Krzysztof Kieslowski. But the star of Three Colours: Red, tired of playing 'tragic' women, had fun with her new film, My Life So Far